1. Air tightness tester for mobile phone, air tightness is detected through the sim card slot
2. Simple and quick test for cell phone tightness
3. Easy to use, simply squeeze the pump after connection for airtightness testing
4. Impact-resistant, lightweight POM body reduces overall weight
5. Each item has been checked and in good condition before shipping
2. Simple and quick test for cell phone tightness
3. Easy to use, simply squeeze the pump after connection for airtightness testing
4. Impact-resistant, lightweight POM body reduces overall weight
5. Each item has been checked and in good condition before shipping